<template>
  <div class="app-container">
    <!-- 对话框(添加 / 修改) -->
    <el-dialog :title="dialogTitle" :visible.sync="dialogVisible" width="45%" v-dialogDrag append-to-body>
      <el-form ref="formRef" :model="formData" :rules="formRules" v-loading="formLoading" label-width="100px">
        <el-form-item label="会员名称" prop="name">
          <el-input v-model="formData.name" placeholder="请输入会员名称" />
        </el-form-item>
        <el-form-item label="经验" prop="experience">
          <el-input v-model="formData.experience" placeholder="请输入经验" />
        </el-form-item>
        <el-form-item label="会员等级" prop="grade">
          <el-input v-model="formData.grade" placeholder="请输入会员等级" />
        </el-form-item>
        <el-form-item label="享受折扣" prop="discount">
          <el-input v-model="formData.discount" placeholder="请输入享受折扣" />
        </el-form-item>
        <el-form-item label="会员图标">
          <ImageUpload v-model="formData.icon"/>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm" :disabled="formLoading">确 定</el-button>
        <el-button @click="dialogVisible = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import * as SystemUserLevelApi from '@/api/user/systemuserlevel';
import ImageUpload from '@/components/ImageUpload';
export default {
  name: "SystemUserLevelForm",
  components: {
    ImageUpload,
  },
  data() {
    return {
      // 弹出层标题
      dialogTitle: "",
      // 是否显示弹出层
      dialogVisible: false,
      // 表单的加载中：1）修改时的数据加载；2）提交的按钮禁用
      formLoading: false,
      // 表单参数
      formData: {
        id: undefined,
        name: undefined,
        experience: undefined,
        grade: undefined,
        discount: undefined,
        icon: undefined,
      },
      // 表单校验
      formRules: {
        name: [{ required: true, message: '会员名称不能为空', trigger: 'blur' }],
        experience: [{ required: true, message: '经验不能为空', trigger: 'blur' }],
        grade: [{ required: true, message: '会员等级不能为空', trigger: 'blur' }],
        discount: [{ required: true, message: '享受折扣不能为空', trigger: 'blur' }],
        icon: [{ required: true, message: '会员图标不能为空', trigger: 'blur' }],
      },
    };
  },
  methods: {
    /** 打开弹窗 */
    async open(id) {
      this.dialogVisible = true;
      this.reset();
      // 修改时，设置数据
      if (id) {
        this.formLoading = true;
        try {
          const res = await SystemUserLevelApi.getSystemUserLevel(id);
          this.formData = res.data;
          this.title = "修改会员等级";
        } finally {
          this.formLoading = false;
        }
      }
      this.title = "新增会员等级";
    },
    /** 提交按钮 */
    async submitForm() {
      // 校验主表
      await this.$refs["formRef"].validate();
      this.formLoading = true;
      try {
        // 复制一份数据，避免直接修改表单
        const data = { ...this.formData };
        // 处理 icon 字段：如果是数组，取第一个
        if (Array.isArray(data.icon)) {
          data.icon = data.icon.length > 0 ? data.icon[0] : '';
        }
        // 修改的提交
        if (data.id) {
          await SystemUserLevelApi.updateSystemUserLevel(data);
          this.$modal.msgSuccess("修改成功");
          this.dialogVisible = false;
          this.$emit('success');
          return;
        }
        // 添加的提交
        await SystemUserLevelApi.createSystemUserLevel(data);
        this.$modal.msgSuccess("新增成功");
        this.dialogVisible = false;
        this.$emit('success');
      } finally {
        this.formLoading = false;
      }
    },
    /** 表单重置 */
    reset() {
      this.formData = {
        id: undefined,
        name: undefined,
        experience: undefined,
        grade: undefined,
        discount: undefined,
        icon: undefined,
      };
      this.resetForm("formRef");
    }
  }
};
</script>
